Check out how to easily wipe cache partition in POLYTRON S2350. This operation won't affect your personal files it will only remove temporary cache files. As a result you can refresh Android 2.3 Gingerbread system and optimize MediaTek MTK6575.
Start by turning off the device using the Power Rocker.
Afterwards hold together Volume Up and Power for a several seconds
Move here using Volume buttons and select items pressing Power.
Using the method from the previous step, select Wipe Cache Partition.